According to Dr. Grundy, Pluto is a planet. "I use the word 'planet' to refer to it, and most of the planetary science ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth. Australia’s ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

With 8 planets now known, the thoughts of astronomers ... it was classified as a planet and named Pluto, after the god of outer darkness in Roman mythology. So things stood for 65 years.

And if you are still a Pluto-is-a-planet holdout, like we were, [Michael]’s argument that counting all the Trans-Neptunian Objects would lead to madness is pretty convincing. It sure would make ...

which in 2015 got the first-ever close-ups images of dwarf planet Pluto. Thought to be a target for cost savings, according to Space.com, the distant spacecraft will now become a heliophysics ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

A powerful change is coming when Pluto shifts into Aquarius on January 21, 2025. Discover what this moment in astrology means ...

Charon is half the size of Pluto, “making it the largest known moon relative to its parent planet in our solar system,” NASA notes. So how did Pluto get its chonky companion? A new study ...

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...